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stepan [7]
3 years ago
13

The skeleton of a roundworm? Endoskeleton, Exoskeleton, or None? FIRST ANSWER BRAINLEST 

Biology
2 answers:
Digiron [165]3 years ago
8 0
Roundworms have a hydrostatic skeleton.
Hope it helps!
mixas84 [53]3 years ago
6 0

This is so the other dude can get the Brainleast!

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A newly synthesized protein destined for secretion from a eukaryotic cell will generally:______.
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A newly synthesized protein destined for secretion from a eukaryotic cell will generally Rough ER - Golgi- transport vesicle - plasma membrane.

<h3>What is eukaryotic cell?</h3>
  • Eukaryotes are organisms having cells that contain a nuclear envelope around their nucleus.
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  • One of the three domains of life is the eukaryotic domain.
  • The other two are the bacterial and archaeal domains.
  • Organisms called eukaryotes have nuclei and membrane-bound organelles in their cells.
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  • Eukaryotes are multicellular or unicellular organisms.
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2 years ago
Darwin was offered a position on the _________________ whose mission was to survey the waters around South America.
malfutka [58]

Darwin was offfered a position as a naturalist on the HMS Beagle, one of the Britsh Royal Navy's survey ship.

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3 years ago
Why is water pollution a concern if water is continuously cycled through Earth’s systems?
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Chemicals in the water rise up through the water process and spread over the Earth.

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3 years ago
A. what is hard water? why is the presence of hard water often considered a negative thing? (3 points)
Anna35 [415]

Hard water contains mineral ions basically the calcium and magnesium ions.

The presence of hard water often considered a negative thing as it is associated with a number of issues related to plumbing, water storage as well as cleaning and maintenance.

Hard water leads to clogged pipes due to the deposition of ions on the surface of water conducting pipes. This hindrance also degrades the quality of equipment used for water storage and heating e.g. geysers.

The hardness of water can either be temporary or permanent depending on the type of ions present in it. Temporary hard water contains calcium and magnesium ions whereas Permanent hard water contains anions like the sulfate ion.

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2 years ago
How you can use a magnet to tell the difference between real and fake coins.
hichkok12 [17]

Answer:

First off, grab a simple magnet and hold it near your precious metal coin. If the coin is even slightly attracted to the magnet, then you know you have a fake on your hand, as metals with contents of iron and steel are the most likely to be attracted

8 0
2 years ago
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